Foundations of Geometry: What is Geometry?

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Across
  1. 3. a straight, one-dimensional figure that does not change direction.
  2. 6. a position or location.
  3. 7. a closed, curved shape.
  4. 8. lines that travel in the same direction and never touch.
  5. 10. a figure with a width, length, and height.
Down
  1. 1. a line with a definite starting point and ending point.
  2. 2. lines that meet or cross at 90- degree angles.
  3. 4. a figure with a length and width.
  4. 5. the space between two lines that meet at a point.
  5. 9. a line with a definite starting point and an infinite ending point.